CBSE Class 10 Answered
Getting marks in roots???????????
Asked by | 19 Feb, 2009, 05:13: PM
Expert Answer
Let his marks in maths are x and in science are 30-x.
As per give equation:
(x+2)(30-x+3)=210
(x+2)(33-x)=210
-x2 +31x+66=210
x2 -31x+144=0
From here,the marks are x=25.3 and x=5.7
Answered by | 20 Feb, 2009, 01:16: AM
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