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No worries. I've edited post 2 for this.
I just edited the last post there were errors
put x = -1
Do a similar thing for the other and then substitute into the equation for r and s to get a
If r and s be the remainders when the polynomialand are divided by (x+1) and (x-2) respectively and 2r + s = 6
Then find the value of a
P.S: Sorry it should have been x + 1
Is the answer 2 or something else?