Question

For what value of t is a solution of 7x2 + tx – 3 = 0

Answer 1

=》》ATTACHED IMAGE IS YOUR ANSWER...《《

Answer 2

Answer:

t =4

Step-by-step explanation:

by hit and trail method

7x²+tx -3 =0

since product is -21

and T term is positive .. ....

so we need to get a no which on adding Gives positive no and on multiplying Gives -21 (3&7) are The only factor of 21

SO,........

7x² + tx -3 =0

7x² +(7x -3x) -3=0

7x² +4x -3=0