This question is from my math's question paper....
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as everything has same denominators
multiply and add the exponents with common denominator
it will be
a power x^2-y^2+y^2-4-x^2+4
then it will become
a power 0
anything power 0 is 1
so answer is 1
multiply and add the exponents with common denominator
it will be
a power x^2-y^2+y^2-4-x^2+4
then it will become
a power 0
anything power 0 is 1
so answer is 1
chirag477:
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hope this helps u. :-)
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