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$Consider an A.P, a_{1}, a_{2}, a_{3} \dots such that a_{3} + a_{5} + a_{8} = 11, and a_{4} + a_{2} = - 2 then the$ $value of a_{1} + a_{6} + a_{7} is$

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Correct option is C

a3+a5+a8=11→3a+13d=11−−−1 n'th term in A.P =a+n-1da4+a2=−2⇒2a+4d=−2a=−1−2d−−−21 and 2⇒d=2,a=−5∴a1+a6+a7=3a+11d=7

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Consider an A.P, a1,a2,a3… such that a3+a5+a8=11, and a4+a2=−2 then the value of a1+a6+a7 is

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free study material

$Consider an A.P, a_{1}, a_{2}, a_{3} \dots such that a_{3} + a_{5} + a_{8} = 11, and a_{4} + a_{2} = - 2 then the$ $value of a_{1} + a_{6} + a_{7} is$