If (2m + 3n) = 3 and mn = 1, what is the value of 4m2 + 9n2?
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3
Answer:
-3
Step-by-step explanation:
(2m+3n)= 3
squaring on both sides we get
4m²+9n²+12mn=9
4m²+9n²= 9-12mn
4m²+9n²= 9-12
4m²+9n²= -3
Answered by
2
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