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If Δr=∣∣∣∣∣2r−1mCr1m2−12mm+1sin2(m2)sin2(m)sin2(m+1)∣∣∣∣∣,(0≤r≤m),then value of m∑r=0Δr is |
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Answer» If Δr=∣∣ |
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