Math, asked by udit94, 1 year ago

If 2a + 3b = 7 and ab = 2, find 4a² + 9b²

Answers

Answered by devrajsharma299

6

Answer:

(2a+3b)=7

Squaring on both sides

(2a+3b)^2 =7^2

4a^2+9b^2+2(2a)(3b)= 49

4a^2+9b^2+12ab =49

4a^2+9b^2+12(2)=49

4a^2+9b^2=49-24

4a^2+9b^2=25

Step-by-step explanation:

Answered by Parth0111

5

Answer:

Step-by-step explanation:

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