Q.>if x= 2/3 and x= -3 are the roots of the equation ax2 +7x+b=0, find the value of a and b.
If the roots of equation (c2 - ab) x2 - 2(a2 -bc) x + b2 -ac = 0 are equal, proove that either a=o, or a3+b3+c3 = 3abc.
Pleasehelp to solve above question urgently.
A piece of cloth costs Rs 200 .If the piece were 5m longer, and each metre of cloth costed Rs 2 less the cost of the piece would have remained unchanged. How long is the piece and what is its original rate per metre.
The ans. is 20m & Rs.10. pls give me the steps
what is the formula of (a+b) whole cube
Solve : (k+4)x2+(k+1)x +1=0 has equal roots . Find the value of k.
a train travels a distance of 480 km at a uniform speed . If the speed had been 8 km/hr less, then it would have taken 3 hrs more to cover the same distance . we need to find the speed of the train.
Some students planned a picnic. The budget for food was Rs. 500. But 5 of these failed to go & thus the cost of food for each student increased by Rs. 5. How many students attended the picnic?
Find the value of k for which the equation kx[x-2]+6=0 has equal roots.
solve for x :-
(x-a)/(x-b) + (x-b)/(x-a) = a/b + b/a
If the roots of the equation (b-c)x2 +(c-a)x +(a-b) = 0 are equal than prove that
2b = c + a
the difference of two numbers is 5 and the difference of their reciprocals is 1/10. find the no.s.....
plz show wid procedure.... answer is not comin..
A person on tour has Rs. 360 for his daily expenses. If he exceeds his tour programme by four days, he must cut down his daily expenses by Rs. 3 per day. Find the no. of days of his tour programme.
solve by completing square:
x2 - (root2 + 1)x + root 2=0
Solve for x :
9x2 - 9( a + b )x + ( 2a2 + 5ab + 2b2 )
Solve this by both factorisation and by using quadratic formula.
Q.>if x= 2/3 and x= -3 are the roots of the equation ax2 +7x+b=0, find the value of a and b.
If the roots of equation (c2 - ab) x2 - 2(a2 -bc) x + b2 -ac = 0 are equal, proove that either a=o, or a3+b3+c3 = 3abc.
Pleasehelp to solve above question urgently.
A piece of cloth costs Rs 200 .If the piece were 5m longer, and each metre of cloth costed Rs 2 less the cost of the piece would have remained unchanged. How long is the piece and what is its original rate per metre.
The ans. is 20m & Rs.10. pls give me the steps
what is the formula of (a+b) whole cube
Solve : (k+4)x2+(k+1)x +1=0 has equal roots . Find the value of k.
a train travels a distance of 480 km at a uniform speed . If the speed had been 8 km/hr less, then it would have taken 3 hrs more to cover the same distance . we need to find the speed of the train.
Some students planned a picnic. The budget for food was Rs. 500. But 5 of these failed to go & thus the cost of food for each student increased by Rs. 5. How many students attended the picnic?
Find the value of k for which the equation kx[x-2]+6=0 has equal roots.
solve for x :-
(x-a)/(x-b) + (x-b)/(x-a) = a/b + b/a
If the roots of the equation (b-c)x2 +(c-a)x +(a-b) = 0 are equal than prove that
2b = c + a
the difference of two numbers is 5 and the difference of their reciprocals is 1/10. find the no.s.....
plz show wid procedure.... answer is not comin..
A person on tour has Rs. 360 for his daily expenses. If he exceeds his tour programme by four days, he must cut down his daily expenses by Rs. 3 per day. Find the no. of days of his tour programme.
solve by completing square:
x2 - (root2 + 1)x + root 2=0
Solve for x :
9x2 - 9( a + b )x + ( 2a2 + 5ab + 2b2 )
Solve this by both factorisation and by using quadratic formula.