Question

(1/4a²+5/9b²)(a+b+ab),a=2,b=3​

Answer 1

Answer:

1171/432

Step-by-step explanation:

(1/4×4+5/9×9)(2+3+(2)(3)

(1/16+5/27)(5+6)

(27+80/432)(11)

(107/432)(11)

(107×11/432)

1171/432.ans

Answer 2

Step-by-step explanation:

[1/4a²+5/9b²] (a+b+ab)

=> 1/4×a³ + 1/4×a²b+1/4×a³b+5/9×ab²+5/9×b³+5/9×

ab³

Now put the value , given .

a=2 , b=3

1/4×2³ + 1/4×2²×3+1/4×2³×3+5/9×2×

3²+5/9×3³+5/9×2×3³.

2+3+6+30+15+30

= 86.