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
60% is answer...20% is taken each year so After 2 yrs it's 40% less 100-40 is 60
Answer:
D
Step-by-step explanation:
4 units
Answer:
<em>78 eggs</em>
Step-by-step explanation:
13 × 6 = 78 eggs
Hope this helps! :)
The Vertical angle for <HKJ is <OKL or #12
