if a and b are the zeroes of polynomial x² + 7x +3 then the value of ( a- b ) ² is
Ans :37
Answers
Answered by
7
Answer:
Step-by-step explanation: from given equation comparing general quadratic equation x²-(a+b)x+ab we get:
a+b=-7; a²+b²+2ab=49; a²+b²=49-6=43;.............(1)
ab=3;
(a-b)²=a²+b²-2ab;
from (1)
(a-b)²=43-6=37;
hence proved;
Answered by
6
Answer:
I hope this will help you...
Attachments:
Similar questions