Question

If x and b are the zeroes of x²-x+k and 3x + b=20, then find the value of k

Answer 1

replace x by b in eq 3x+b as b is the root of x we will get 4b=20,b=5 then put the value of b in x²-x+k by replacing x as b is the root of x i.e., b²-b+k=0 by putting the value of b=5 we will get k=-20

Step-by-step explanation:

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