Question

Q.7. Find the sum and product of zeroes of the quadratic polynomial 2x2-7x+5 and verify the
results.​

Answer 1

Answer:

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Answer 2

Answer:

2x²-7x+5=0

2x²-2x-5x+5=0

2x(x-1)-5(x-1)=0

(2x-5)(x-1)=0

2x-5=0 or x-1=0

x= 5/2  or x=1

We know that sum of zeroes is equal to -b/a

⇒5/2+1= -(-7/2)

⇒5+2/2=7/2

⇒7/2=7/2

We know that product of zeroes is equal to c/a

⇒5/2*1=5/2

⇒5/2=5/2

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