Question
For what value of m, the equation (3m +
1) x 2 + 2 (m+1) x + m = 0 have equal roots. For equal roots D=0.Solution
For equal roots b²- 4ac = 0 => {2(m+1)}² - 4 (3m +1)*m = 0 => -8m² + 4m + 4 = 0 => (m - 1)(-8m - 4) = 0 => m = 1, -1/2 ` `
In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.
A short story with a moral.
If statement F is the last statement, which of the following is the FIFTH statement after rearrangement?
1. The reason why the courtrooms in India
P. that Indians are litigious
Q. faith in the judiciary than in the
R. are clogged with p...
Which should be the second sentence after rearrangement?
1. “Being shy and
P. flabbergasted by the
Q. reserved by nature,
R. a farmer naturally gets
S. security at the gate and th...
Which is the SECOND sentence of the paragraph after rearrangement?
Experts, who mild (A) out that the infection has largely been pointed (B) during this wave, said infected (C) people are generally recovering (D) within...
Which of the following is the first sentence of the passage?
1. There was no proper light system on the highway
P.In addition, clouds were gathering in the sky.
Q.The night was darker than usual.
...1. It was
P. In keeping with my mood
Q. A soft summer evening
R. As I walked sedately
S. In the direction of new house
