The difference between any two consecutive interior angles of a polygon is 5°.If the smallest angle is 120°, find the number of the sides of the polygon.
In the arithmetic progression 2,5,8....upto 50 terms,and 3,5,7,9....upto 60 terms ,find how many pairs are identical and find the identical pairs.
three numbers are in A.P. and their sum is 15 , if 1, 4 and 19 are added to these numbers respectively the resulting numbers are in G.P.. find the numbers.
The sum of an infinite number of terms of GP is 4 and the sum of their cubes is 192. Find the series.
if x1,x2,x3 ....xn are in H.P then prove that x1x2+x2x3+x3x4+....+xn-1xn =( n-1)x1xn
The sum of first two terms of an infinite G.P. is 5 and each terms is three times the sum of the succeeding terms. Find the G.P.
the sum of three numbers in GP is 56. if we subtract 1, 7, 21 from these numbers in that order, we obtain an AP. find the numbers.
If one A.M., A and two geometric means G1 and G2 inserted between any two positive numbers,show that G12/ G2 + G22/ G1 = 2A.
if in a gp the (p+q)th term is a and (p-q)th term is b , prove that the pth term is sqrt (ab).
pth term of an A.P. is 'a' and qth term is 'b'. prove that sum of (p+q)th term is p+q/2[a+b+(a-b/p-q)]. plz ans needed soon.....
Find the sum of 30th term of the sequence 7, 7.7, 7.77, 7.777..................
Let S be the sum, P be the product and R be the sum of reciprocals of n terms in a G.P. Prove that P2Rn = Sn
sum of an infinite gp is 57 and sum of their cube is 9747 find the gp
let x=1+a+a^2........ and y=1+b+b^2..... , where modulus(a)
1+ab+a^2b^2.......=xy/(x+y-1)
please i have a test tommorow.....!!
Prove that a,b,c are in A.P. iff 1/bc,1/ca,1/ab are also in A.P.
The difference between any two consecutive interior angles of a polygon is 5°.If the smallest angle is 120°, find the number of the sides of the polygon.
In the arithmetic progression 2,5,8....upto 50 terms,and 3,5,7,9....upto 60 terms ,find how many pairs are identical and find the identical pairs.
three numbers are in A.P. and their sum is 15 , if 1, 4 and 19 are added to these numbers respectively the resulting numbers are in G.P.. find the numbers.
The sum of an infinite number of terms of GP is 4 and the sum of their cubes is 192. Find the series.
if x1,x2,x3 ....xn are in H.P then prove that x1x2+x2x3+x3x4+....+xn-1xn =( n-1)x1xn
The sum of first two terms of an infinite G.P. is 5 and each terms is three times the sum of the succeeding terms. Find the G.P.
the sum of three numbers in GP is 56. if we subtract 1, 7, 21 from these numbers in that order, we obtain an AP. find the numbers.
If one A.M., A and two geometric means G1 and G2 inserted between any two positive numbers,show that G12/ G2 + G22/ G1 = 2A.
if in a gp the (p+q)th term is a and (p-q)th term is b , prove that the pth term is sqrt (ab).
pth term of an A.P. is 'a' and qth term is 'b'. prove that sum of (p+q)th term is p+q/2[a+b+(a-b/p-q)]. plz ans needed soon.....
Find the sum of 30th term of the sequence 7, 7.7, 7.77, 7.777..................
Let S be the sum, P be the product and R be the sum of reciprocals of n terms in a G.P. Prove that P2Rn = Sn
sum of an infinite gp is 57 and sum of their cube is 9747 find the gp
let x=1+a+a^2........ and y=1+b+b^2..... , where modulus(a)
1+ab+a^2b^2.......=xy/(x+y-1)
please i have a test tommorow.....!!
Prove that a,b,c are in A.P. iff 1/bc,1/ca,1/ab are also in A.P.