Answer:
X=3
Step-by-step explanation:
(x^2 +1)(x^2 +1)
x^4 +x^2+x^2 +1
x^4+2x^2 +1 answer
Hope this helps!
142.5
π×11²×135/360
= 363π/8
= 142.5 (rounded to the nearest tenth)
Answered by GAUTHMATH