Question

if a^2+b^2=9 and ab =4

find the value of 3(a+b)2- 2(a-b)2​

Answer 1

Answer:

HI....

ANSWER IS IN ATTACHMENT

9191

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hope this would help

Answer 2

Step-by-step explanation:

{3(a+b)²}-{2(a-b)²}

3(a²+b²+2ab)-2(a²+b²-2ab)

3(9+2×4)-2(9-2×4)

3(9+8)-2(9-8)

3(17)-2(1)

51-2

49