can someone please help me please please please
1. if √3 (√7-√3)=√a+ b, then find the values of a and b.
2. if the value of the determinant m 2 is 34, find the value of m.
-3 7
3. decide whether (x+1) is a factor of the polynomial (x³+x²-x-1) or not.
4. how many two digits numbers are divisible by 3.
Answers
Answered by
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3.if g(x)=x+1=0
=》x=-1
let p(x)=x^3+x^2-x-1
= -1^3+-1^2-(-1)-1
= -1+1+1-1
=0 [as -1and+1 cut]
=》x=-1
let p(x)=x^3+x^2-x-1
= -1^3+-1^2-(-1)-1
= -1+1+1-1
=0 [as -1and+1 cut]
2003samrudhi:
the answer of other question
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