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The value of (.^7C0 +.^7C1)+(.^7C1+.^7C2...

The value of `(.^7C_0 +.^7C_1)+(.^7C_1+.^7C_2)+(.^7C_6+.^7C_7)` is (A) `2^7-1` (B) `2^8-2` (C) `2^8-1` (D) `2^8`

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RESONANCE DPP-JEE MAINS-All Questions
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