wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

If a and b are roots of the equation x2-px+q=0, than write the value of 1a+1b.

Open in App
Solution

Given: x2 - px + q = 0
Also, a and b are the roots of the given equation.
Sum of the roots = a + b = p ...(1)
Product of the roots = ab = q ...(2)

Now, 1a + 1b = b+aab = pq [Using equation (1) and (2)]

Hence, the value of 1a + 1b is pq.

flag
Suggest Corrections
thumbs-up
1
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Introduction to Limits
MATHEMATICS
Watch in App
Join BYJU'S Learning Program
CrossIcon