IN P NO 273 Q NO 5 HOW -20 OCCURED KINDLY EXPLAIN Share with your friends Share 0 Brijendra P. answered this When you will square ,10 - x+y2+y2+z2 We willl get, 10 - x+y2+y2+z22 Using the formula (a-b)2= a2+b2-2ab=102+ x+y2+y2+z22-2×10× x+y2+y2+z2=100-20 x+y2+y2+z2 +x+y2+y2+z2In this you can see that we get -20 as a coefficient of x+y2+y2+z2Hope your doubt is clear now !! 0 View Full Answer Pavithra answered this Which subject 1 Pssourub answered this mathematics three dimentional 0
