If \ ^(15)C(3r)=\ ^(15)C(r+3), find \ r...

If `\ ^(15)C_(3r)=\ ^(15)C_(r+3)`, find `\ rdot`

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If ^(15)C_(3r)=^(15)C_(r+3) , then find r .

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If \ ^(15)C_(3r)=\ \ ^(15)C_(r+3)\ then\ r is equal to a. 5 b. 4 c. 3 d. 2

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If ^15 C_(3r):^(15)C_(r+1)=11 :3 , find the value of rdot

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RD SHARMA ENGLISH-COMBINATIONS-All Questions

If C(n,4) = C(n,6). Find C(12,n)
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If \ ^(24)Cx=\ ^(24)C(2x+3) find x
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If \ ^(15)C(3r)=\ ^(15)C(r+3), find \ rdot
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If 15Cr :15C(r-1)=11 :5 find r.
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