Question

plz solve q-73 ,74 .......

Answer 1

Answer:

Step-by-step explanation:

74.

X/4+1/2=4

X/4= 4 - 1/2

X/4= 7/2

X/4= 14/4

LHS 4 & RHS 4 cancel

X=14

Now x^3-x^2+1 = ?

14^3-14^2+1

= 2744- 196+ 1

= 2549

So answer is A