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Grade 12Trigonometry

find the no.of solns of

(2/7) to the power x +(3/7) to the power x +(5/7) to the power x=0?????

Profile image of Ankita Choudhury
16 Years agoGrade 12
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1 Answer

Profile image of Ramesh V
16 Years ago

2x+3x+5x = 0

for any x , above sum is postive

for x= -infinte, above sum becomes 0

no x exists

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regards

Ramesh