Question

(2/9a^2+1/3b^2)(2/9a^2-3b^2). pls tell me me the ans fast by using identities​

Answer 1

Solution-

4⁴/9−6a²²

$\frac{ {4a}^{2} }{9} - \frac{ {6a {}^{2} }b^{2} }{9}$

29+2229−3

43

\frac{\frac{4a^{4}}{9}-6a^{2}b^{2}}{9}+\frac{\frac{2b^{2}a^{2}}{9}-3b^{4}}{3}

994a4−6a2b2+392b2a2−3b4