TS EAMCET · Maths · Binomial Theorem
If then
- A
- B
- C
- D
Answer & Solution
Correct Answer
(D)
Step-by-step Solution
Detailed explanation
Given x=C516+C412, y=∑r=13C420-r, z=∑k=14C316-k. Then x+y+z=C516+C412+∑r=13C420-r+∑k=14C316-k ⇒x+y+z=C516+C412+C419+C418+C417+C315+C314+C313+C312 ⇒x+y+z=C312+C412+C313+C314+C315+C516+C417+C418+C419 Using Crn+Cr-1n=Crn+1, we get…
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