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1a) Expand :-(2 √3-5√2) |
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Answer» Step-by-step explanation: By using Binomial THEOREM, the expression (2/ X – x/2)5 can be EXPANDED as. (2/x– x/2)5 ... Hence or otherwise evaluate (√2 + 1)6 + (√2 – 1)6 ... nCr-2 / nCr-1 = 1/3 and nCr-1 / nCr = 3/ 5. |
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