Question

Q1) If y+1 is a factor of y3+
p, the write the value of p.​

Answer 1

if y+1 is a factor of any expression then y+1=0 y=-1

when you substitute y=-1 in that expression it becomes 0

y^3 +p=0

y=-1 in above equation

(-1)^3+p=0

-1+p=0

p=1