Question

(4a + 3 b) ² - (4 − 3) ²+ 48 ab is
please answer as fast as possible​

Answer 1

Answer:

Given, (4a+3b)

2

−(4a−3b)

2

+48ab.

We know, (a+b)

2

=a

2

+2ab+b

2

and (a−b)

2

=a

2

−2ab+b

2

.

Then,

(4a+3b)

2

−(4a−3b)

2

+48ab

=((4a)

2

+2(4a)(3b)+(3b)

2

)−((4a)

2

−2(4a)(3b)+(3b)

2

)+48ab

=(4a)

2

+2(4a)(3b)+(3b)

2

−(4a)

2

+2(4a)(3b)−(3b)

2

+48ab

=24ab+24ab+48ab

=48ab+48ab

=96ab.

hope it helps u

Answer 2

(4a2+3b2)+1+48ab

16a2+3b2+24ab-1+48ab

16a2+3b2+24ab-1

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