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Find k for which the system x+2=3and5x+ky+7=O is inconsistent

Posted by N.L Rajpoot 6 years ago

CBSE > Class 10 > Mathematics

2 answers

Gaurav Bhardwaj 6 years ago

K=10 , not =-14/3

0Thank You

Yogita Ingle 6 years ago

The given two equations are:

x + 2y – 3 = 0 …(i)

5x + ky + 7 = 0 …(ii)

Here, we have:

a₁ = 1, b₁ = 2 and c₁ = – 3

a₂ = 5, b₂ = k and c₂ = 7

We know that, for the system to be consistent we must have

k = 10

Hence, the value of k is 10

2Thank You

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CBSE > Class 10 > Mathematics