0

Guest

Courses New

the lines 3x-4y =4 and 6x-8y -7=0 are tangets to the same circle then its radius is (a) 1/4 (b)1/2 (c)3/4 (d)3/2

the lines 3x-4y =4 and 6x-8y -7=0 are tangets to the same circle then its radius is
(a) 1/4
(b)1/2
(c)3/4
(d)3/2

Grade:12

1 Answers

SHAIK AASIF AHAMED
askIITians Faculty 74 Points
9 years ago
Hello student,
given lines are 3x-4y=4...........(1),6x-8y=7...........(2)
multiplying eqn 1 by 2........6x-8y=8 and 6x-8y=7
Given lines are parallel lines so 2r=distance between them
2r=(8+7)/sqrt(62+82)
2r=15/10
r=3/4
Thanks and regards
Shaik Aasif
askIITians faculty

Think You Can Provide A Better Answer ?

Other Related Questions on Algebra

View all Questions »

ASK QUESTION

Get your questions answered by the expert for free

Answer and earn gift vouchers

Win Gift vouchers upto Rs 500/-

View courses by askIITians

Design classes One-on-One in your own way with Top IITians/Medical Professionals

Click Here Know More

Complete Self Study Package designed by Industry Leading Experts

Click Here Know More

Live 1-1 coding classes to unleash the Creator in your Child

Click Here Know More

a Complete All-in-One Study package Fully Loaded inside a Tablet!

Click Here Know More