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For what value of k will k+9,2k - 1 and 2k+7 are the consecutive term of an AP ?

Posted by Taneya Gupta 6 years, 10 months ago

CBSE > Class 10 > Mathematics

3 answers

Madhur Dubey ??? 6 years, 10 months ago

If they are in A.P. Then,. 2b=a+c (where a=first term,b=second term and c=third term). Or,. 2(2k-1)=k+9+2k+7. Or,. 4k-2= 3k+16. Or,. K=18. Hence, For K=18 the following terms are in A.P.

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Dhirendra Behera 6 years, 10 months ago

The value of k will be 18.

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Yasaswini Bhamidipati 6 years, 10 months ago

K = 18

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