Pls answer this i want to know ok ok ok ok ok

Mathematics

1 answer:

bogdanovich [222]2 years ago

6 0

Step-by-step explanation:

$given \\ (x + \frac{1}{x} ) = 7 \\ now \\ (x + \frac{1}{x} ) ^{2} \\ (7) ^{2} (given) \\ 49 \\ again \\ {x}^{2} + ( \frac{1}{x} ) ^{2} \\ (x + \frac{1}{x}) ^{2} - 2 \times x \times \frac{1}{x} \\ (7) ^{2} - 2 \\ 49 - 2 \\ 47$

You might be interested in

I need help on this please.

Pachacha [2.7K]

Answer:

Write in the box :....

8 0

2 years ago

Y=-3x what points correspond to that.

Elenna [48]

Hope this helps !!!!!!!!!!!!!!!!!

5 0

2 years ago

Pls anaerw this fast

Phoenix [80]

Answer:

what do you need help with

6 0

2 years ago

Which of the following

pickupchik [31]

It is which ever one adds up to 90

7 0

2 years ago

What is (f⋅g)(x)? f (x) =x^4−9 g (x) =x^3+9

mojhsa [17]

(f⋅g)(x)=f(x)*g(x)
f(x)*g(x) = (x⁴−9)(x³+9)=x⁴x³+9x⁴-9x³-81=x⁷+9x⁴-9x³-81
(f⋅g)(x)=x⁷+9x⁴-9x³-81

3 0

3 years ago