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For an increasing A.P. `a_1, a_2, a_n ifa_1=a_2+a_3+a_5=-12` and `a_1a_3a_5=80 ,` then which of the following is/are true? `a_1=-10` b. `a_2=-1` c. `a_3=-4` d. `a_5=+2`

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Consider an A.P. a_1, a_2, a_3,......... 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 (a). -8 (b). 5 (c). 7 (d). 9

VMC MODULES ENGLISH-SEQUENCE AND SERIES -LEVEL-2
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