Question

please answer fastly please

Answer 1

In these all questions u have to just put the value of a and b given in identity as in que1.
1stpart
(a+b)^2=a^2+b^2+2ab
(2+4)^2=2^2+4^2+2*2*4
6*6=4+16+16
36=36
therefore. l. h. s=r.h.s
simply by this way you put values.

Answer 2

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