Question

actosise (sa + 2/² - (2a- 1/3)square

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Answer 1

Answer:

( 2a+2)^2- (2a-1/3)^2=0

by the identity a^2-b^2=(a-b)(a+b)

so ,it is

( 2a+2+2a-1/3)(2a+2-2a+1/3)=0

( 4a+ 5/3)(7/3)=0

(28a/3 + 35/9)=0

28a/3= -35/9

a= -35/9×3/28

a = -7/12

hope it helps u