Question

please answer this question ​

Answer 1

Formula :-

(a-b) ^2 = a^2 + b^2 -2ab

answer :-

(4a - 3b) ^2

---- -----

3 4

= (4a)^2. + (3b) ^2. 4a. 3b

_____ _____ - 2 x ___ x. ___

3. 4. 3. 4

= 16 a^2. 9b^2

____ + _____

9. 16

sorry in my phone there is not so much technology. So I hope you may understand and my writing on mobile not so nice. ☺