Given
2a+ 3b = 7
ab =2
Find the value of 4a² + 3b²
Answers
Answered by
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Answer:
2a + 3b = 7
Squaring both sides we get,
4a² + 9b² + 24ab = 49••••(i)
[ ( a + b )² = a² + 2ab + b² ]
Put ab = 2 in equation (i)
4a² + 9b² + 48 = 49
4a² + 9b² = 1
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