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  • If line x+y=a and x-y=b touch the curve  at the pts where the curve intersects the x-axis then a/b=? Option: 1 <im

If line x+y=a and x-y=b touch the curve y=x^2-3x+2 at the pts where the curve intersects the x-axis then a/b=?
Option: 1 \frac12
Option: 2 \frac32
Option: 3 2
Option: 4 None of the above

Answers (1)

best_answer

Given equation of the Curve y=x^2-3x+2

The curve intersects at X-axis (1,0) and (2,0)

Now the curve x + y = a and x - y = b touch the curve  y=x^2-3x+2

at (1,0) and (2,0)

a = 1 and y = 2

a/b = 1/2

Posted by

himanshu.meshram

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