Solution:
= 2 – 4
= – 2
More Solutions:
- Evaluate for the following indices:
- Simplify for the following indices:
- Solve Indices:
- Solve the following : (i) (a-1 + b-1) ÷ (a-2 – b-2)
- Prove the following: (i) (a + b)-1 (a-1 + b-1) = 1/ab
- If a = cz, b = ax and c = by, prove that xyz = 1.
- Prove that aq – r. br – p. cp – q = 1.
- Prove that 1/x + 1/y + 1/z = 0.
- Prove that x = 2yz/y – z.