Question

lit x 1 sqrt x^ 2 -1 -(x-1) sqrt x-1​

Answer 1

Step-by-step explanation:

Question No. 17

• The inner core of the earth is composed of -----

Answer

A. Nickel and Ferrium

B. silica and Megnesia

D. Molter rocks and gases

C. Silica and Aluminium