Question

(4a+2b)² - (4a-2b)² Use algebraic identity to solve

Answer 1

Answer:

take (4a + 2b)^2 = A

take (4a - 2b^2 = B

then (4a + 2b)^2 - (4a - 2b)^2 = A^2 - B^2

we know that A^2 - B^2 = ( A+B)(A-B)

now putting value in that we get

( 4a + 2b + 4a - 2b)( 4a + 2b -4a + 2b)

8a × 4b

32ab

hope this helps ..plz like