Question

evalute (7/8x+4/5y)^2

Answer 1

HII frnds
(a+b)^2= a^2+b^2+2ab
(7/8x+4/5y)^2=
(7/8x)^2+(4/5y)^2+2*7/8x+4/5y
49/64x^2+16/25y^2+56/40xy
if my ans is helpful so marked as brainlist

Answer 2

$(\frac{7}{8x} + \frac{4}{5y} )^{2} \\ {( \frac{7}{8x}) }^{2} + {( \frac{4}{5y} )}^{2} + 2 \times \frac{7}{8x} \times \frac{4}{5y} \\ \frac{49}{64 {x}^{2} } + \frac{16}{25 {x}^{2} } + \frac{7}{5xy}$
Hope this will help
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