Question

If 2a-3b=5 and ab=2 find 2a+3b

Answer 1

Answer:

root of 73

Step-by-step explanation:

(2a - 3b)^2 = 25

4(2a)(3b) = 24(ab) = 48

(2a + 3b)^2 = 4(2a)(3b) + (2a - 3b)^2

(2a + 3b )^2 = 73

2a + 3b = root of (73)

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