For which value of k will the equations x2andminus;kxandminus;21=0 and x2andminus;3kx+35=0one common roota)andplusmn;1b)andplusmn;2c)andplusmn;3d)andplusmn;4Correct answer is option 'D'. Can you explain this answer?

EduRev

All Courses

Explore Courses UPSC Exam UPSC Test Series Free Notes EduRev Infinity

Open App

CLAT Exam > CLAT Questions > For which value of k will the equations x2&mi...

For which value of k will the equations x²−kx−21=0 and x²−3kx+35=0one common root

a)
±1
b)
±2
c)
±3
d)
±4

Correct answer is option 'D'. Can you explain this answer?

Join for Free

Join for Free

Verified Answer

For which value of k will the equations x2−kx−21=0 and x2&...

Let the common root be α, then α²−kα−21=0 ?(i) and α²−3kα+35=0 ?(ii) On solving by the rules of cross multiplication

and

View all questions of this test

View all answers Start learning for free

Explore Courses for CLAT exam

Similar CLAT Doubts

If(−4)is a root of the quadratic equationx2− px−4 = 0and the quadratic equationx2− px + k = 0has equal roots, find the value of k.

View answer

If (x+k) is a common factor of (x2+ px + q) and (x2+ lx + m), then the value of k is

View answer

If (x+k) is a common factor of (x2+px+q) and (x2+1x+m), then the value of k is

View answer

If a, b, c,..., x, y, z are 26 natural numbers, then the value of (x−

View answer

Suppose k is any integer such that the equation 2x2 + kx + 5 = 0 has no real roots and the equation x2 + (k + 5)x + 1 = 0 has two distinct real roots for x. Then, the number of possible values of k is

View answer

Top Courses for CLATView all

Current Affairs: Daily, Weekly & Monthly

Top Courses for CLAT

View all

For which value of k will the equations x2−kx−21=0 and x2−3kx+35=0one common roota)±1b)±2c)±3d)±4Correct answer is option 'D'. Can you explain this answer?

Share with a Friend

Answer this doubt

Question Description
For which value of k will the equations x2−kx−21=0 and x2−3kx+35=0one common roota)±1b)±2c)±3d)±4Correct answer is option 'D'. Can you explain this answer? for CLAT 2025 is part of CLAT preparation. The Question and answers have been prepared according to the CLAT exam syllabus. Information about For which value of k will the equations x2−kx−21=0 and x2−3kx+35=0one common roota)±1b)±2c)±3d)±4Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for CLAT 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for For which value of k will the equations x2−kx−21=0 and x2−3kx+35=0one common roota)±1b)±2c)±3d)±4Correct answer is option 'D'. Can you explain this answer?.

Solutions for For which value of k will the equations x2−kx−21=0 and x2−3kx+35=0one common roota)±1b)±2c)±3d)±4Correct answer is option 'D'. Can you explain this answer? in English & in Hindi are available as part of our courses for CLAT. Download more important topics, notes, lectures and mock test series for CLAT Exam by signing up for free.

Here you can find the meaning of For which value of k will the equations x2−kx−21=0 and x2−3kx+35=0one common roota)±1b)±2c)±3d)±4Correct answer is option 'D'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of For which value of k will the equations x2−kx−21=0 and x2−3kx+35=0one common roota)±1b)±2c)±3d)±4Correct answer is option 'D'. Can you explain this answer?, a detailed solution for For which value of k will the equations x2−kx−21=0 and x2−3kx+35=0one common roota)±1b)±2c)±3d)±4Correct answer is option 'D'. Can you explain this answer? has been provided alongside types of For which value of k will the equations x2−kx−21=0 and x2−3kx+35=0one common roota)±1b)±2c)±3d)±4Correct answer is option 'D'. Can you explain this answer? theory, EduRev gives you an ample number of questions to practice For which value of k will the equations x2−kx−21=0 and x2−3kx+35=0one common roota)±1b)±2c)±3d)±4Correct answer is option 'D'. Can you explain this answer? tests, examples and also practice CLAT tests.

Explore Courses for CLAT exam