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SabariGiri Residential School
"Smartindia is the best online tool for school students." Ms Deepa Chandran, Principal Anchal
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If x/a=y/b=z/c,prove that: 2x3-3y3+4z3/2a3-3b3+4c3 = (2x-3y+4z/2a-3b+4c)3 |
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