if alpha beta are the zeros of the quadratic polynomial f(x) =5t^2-7t+1,find the valu of 1/alpha +1/ beta
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hey mate!
here is your answer:
Step By Step Explanation:
In the polynomial 5t^2-7t+1=0
a=5 ; b=-7 ;c=1
sum of zeroes (alpha +beta)= -b/a= 7/5
product of zeroes (alpha×beta)= c/a =1/5
now, 1/alpha+1/beta=beta+alpha/alpha×bet
= 7/5 ÷1/5=7/5×5/1=7
hope it helped ^_^
here is your answer:
Step By Step Explanation:
In the polynomial 5t^2-7t+1=0
a=5 ; b=-7 ;c=1
sum of zeroes (alpha +beta)= -b/a= 7/5
product of zeroes (alpha×beta)= c/a =1/5
now, 1/alpha+1/beta=beta+alpha/alpha×bet
= 7/5 ÷1/5=7/5×5/1=7
hope it helped ^_^
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