CBSE Class 10 Answered
roots
Asked by | 26 Aug, 2008, 10:55: AM
Expert Answer
the equation 3x2 --kx --2 =0 has one of the root as 2 ,
3(2)2 --k (2) --2 ==0 ====> 12 - 2k - 2 = 0 ==> k = 5
the equation becomes 3 x2 --5x -2 ==0
the factors are (3x +1 ) ( x --2) ==0
therefore the other root of the equation is -- 1 /3
Answered by | 26 Aug, 2008, 04:42: PM
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