If 2x-root7y=10 and xy=-root7 find value of 4x^2 +7y^2
Can someone name the book of which this question came from?
I only need the book name not the solution.
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Answered by
1
R.D Sharma
Step-by-step explanation:
hipe this will help you
Answered by
11
Step-by-step explanation:
It is from RD Sharma book......
Plz mark my answer as brainliest
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