Find the values of a and b so that the polynomial x³+ 10x²ax + b is exactly divisible by x-1
as well as x -2.
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Ignore the answer from comparison.
here is right solution:
compare eq.(1) and eq. (2)
a + b +11 = 2a + b + 48
2a - a + 48 - 11 = 0
a + 31 = 0
a = -37
put a value in eq. (1)
-37 + b = -11
b = -11 + 37
b = 26
-----HERE IS YOUR ANSWER-------
HOPE IT HELPS YOU.
here is right solution:
compare eq.(1) and eq. (2)
a + b +11 = 2a + b + 48
2a - a + 48 - 11 = 0
a + 31 = 0
a = -37
put a value in eq. (1)
-37 + b = -11
b = -11 + 37
b = 26
-----HERE IS YOUR ANSWER-------
HOPE IT HELPS YOU.
Attachments:
kutty10:
u did a mistake
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