Question

(2a/3+3b/4)² expand it​

Answer 1

Answer:

=4a²/9+ab+9b²/16

Step-by-step explanation:

=(2a/3+3b/4)²

(a+b)² = a²+2ab+b²

=(2a/3)²+(3b/4)²+2×2a/3×3b/4

=4a²/9+9b²/16+2×ab/2

=4a²/9+9b²/16+ab

=4a²/9+ab+9b²/16