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Value of k if 3x+2ky=2 and …

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Value of k if 3x+2ky=2 and 2x+5y+1=0 are parallel

Posted by Jyoti Kharatmol 5 years, 7 months ago

CBSE > Class 10 > Mathematics

2 answers

Yogita Ingle 5 years, 7 months ago

3x + 2ky - 2 = 0 ; 2x + 5y + 1 = 0
a₁ = 3 a₂ = 2
b₁ = 2k b₂ = 5
c₁ = -2 c₂ = 1

For parallel lines :-
a₁ = b₁  ≠ c₁
a₂      b₂     c₂

3 = 2k  ≠ -2
2 5 1

15 = k
4

k ≠ -5

0Thank You

Namrata Jindal 5 years, 7 months ago

They are in parallel. So, 3/2=2k/5 3*5=2*2k k=15/4=4.25

1Thank You

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