Answer:
x²+1/x² = 51
Explanation:
Given x - 1/x = 7 ---(1)
We know the algebraic identity:
a²+b²-2ab = (a-b)²
Or
a²+b² = (a-b)²+2ab
Now,
x²+1/x²
= (x-1/x)²+2*x*(1/x)
= (x-1/x)²+2
:7²+2 [ from (1)] =
= 49+2
= 51
Therefore,
x²+1/x² = 51
Answer:
Binomial
Step-by-step explanation:
P = a² + bcd³
The polynomial contains two terms, so it is a binomial.
Answer:
okay sure what would you like to talk about?
Step-by-step explanation:
Answer: 2 1/4
Step-by-step explanation:
