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If the sum and the product of the roots of ax2 - 5x+c are both equal to the 10 find 'a' and 'c'.

Posted by Kajal Dogra 6 years, 10 months ago

CBSE > Class 10 > Mathematics

3 answers

Sidharth Jha 6 years, 10 months ago

So a= 1/2 and c= 5

Sidharth Jha 6 years, 10 months ago

Sum of roots = 5 \a 5\a= 10 (given that the sum and product =10) a = 1\2. Ans Now, Product of zero:- C/a=10 C=10×a C= 10× 1\2 C= 5 ans .

Shiva Kumar 6 years, 10 months ago

Sum of zeros =- b/a then 10=-(-5)/a then a= 1/2 and product of zeros =c/a then 10=c/1/2 therefore c= 5

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