Question

Please help me bilkul samajh
me nahi aa raha h​

Answer 1

Answer: 2$a^{2} +3b^{2} +5a^{2} -2b^{2} +ab - 6a^{2} -5ab+b^{2}$

=$a^{2}+2b^{2}- 4ab$

hence d is the correct answer .

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