(7) find value of 'K'
if line 4X+ky-7=0 has slop 3
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Answer:
Given that 4X+ky-7=0and slope is 3 . dy/dx=3
Step-by-step explanation:
4X+ky-7=0
differentiate with respect to x
4 dx/dx+ k dy/dx -d7/dx=0 { dx/dx=1 , d7/dx=0}
4+kdy/dx=0
k dy/dx= -4
k 3= -4 {dy/dx=3}
k= -4/3 ans
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