hey friends!!! here is a question for you... plz help.. the answer is 9 but I want the method of solving.. Thanks...
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zarvis
Solving this question,let a=log3x then a2+2a-10=-2. =a2+2a-8=0. a2+4a-2a-8=0. (a-2)(a+4)=0. putting value of a. log3x=2 then taking antilog x=9. &log3x#-4 so answer is 9.
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Answer:
the uper givin answer is correct.
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