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Answer:
(X+b)²=x²+2xy+y²
(4+3)²=4²+2(4)(3)+3²
=16+24+9
=49
hope it helps you.
Answer:
The given formula is,
(x+y)² = x²+y²+2xy
Now, to find:- (4+3)²
so let's substitute the value, here x=4 and y=3
Now,
(4+3)² = 4²+3²+2×(4)×(3)
=> 16+9+24
=> 49
so,
(4+3)² = 49
on using the given formula we get 49
Hope you may get it
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