Math, asked by snehaj12161, 1 year ago

pls help me in q 7 of EQUATION OF LINE

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Answered by GB2010

Hiii...

a = 3 .....

Hope u got....

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snehaj12161: thank u so much

Answered by Naresh555

first find the slope of both the lines.
by applying two point formula
y2-y1 /x2-x1 =y-y1 /x-x1
then we know that for two slopes
m1m2= -1
then you will get the value of a

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