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