Question 2, with method. Please solve as soon as possible.
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9x^2 + 4y^2 + 12 xy = 144
9x^2 + 4y^2 = 144- 72
= 72
in pic the solution is wrong
9x^2 + 4y^2 = 144- 72
= 72
in pic the solution is wrong
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AmlaanC:
WRONG!!!!
How?
Answer is 72.
If you are squaring , u should square both the sides!!
Ok?????
Ya that's what I was thinking about
Thanks for correcting amlaanc
thnx AmlaanC
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