10. Ifn+2Cg: 1-2P4 =57:16, find n. ...
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10. Ifn+2Cg: 1-2P4 =57:16, find n. 11. If 2

JEE/Engineering Exams
Maths
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The idea is to make RHS similers to ( 2 mathrm{HS} ) by taking a number ( n^{prime} ) as standered and then hitting the equetion by trial and error. soon you'll find that, [ 100 quad underline{n=19} ] we get ( angle H S=R H S ) hence ( underline{n=19} ) is the correct answer.
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