Question

In 15th question, I have written (why)at a particular place.. please give me reason
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Answer 1

heya when BC/2 will be squared then it will become BC^2/4.

hope it hlps

Answer 2

$<b>Hello Friend<b>$ ❤️❤️

The answer of u r question is..✌️✌️

Ans:✍️✍️✍️✍️✍️✍️

The reason is.

given,

$\frac{ {bc}^{2} }{4}$

when we remove sqaure.

Because above there is

bc^2/2

so

we added square to 2

2×2

4

Thank you..☺️☺️