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Grade 88 grade maths

pls help me in solving the problems which i have attached.

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Profile image of RAMPRABHU
7 Years agoGrade 8
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1 Answer

Profile image of Arun
ApprovedApproved Tutor Answer7 Years ago
Just add them and multiply them
 
You will get two equation
On simplyfyinv you get the realtion like
 
abc + 1/abc = 2
 
Hence 
 
abc = 1
 
 
Regards
Arun