Question

2y2+5z2 write down the squares of

Answer 1

using identity
$(x + y) {}^{2} = {x }^{2} + {y}^{2} + 2xy$
put x=2y2 and y=5z2
we get
(2y2)2+ (5z2)2+2(2y2)(5z2)
4y4+25z4+20y2z2
so the square is
4y4+25z4+20y2z2

Answer 2

mark brainliest hope it helps :^_^