If ⎡⎣{(172)−2}−13⎤⎦14=7m then find the value of m.
−13
32
−17
28
⎡⎣{(172)−2}−13⎤⎦14=7m⇒[{(7−2)−2}−13]14=7m⇒[(74)−13]14=7m⇒(7−43)14=7m⇒(7−43)14=7m⇒7−1/3=7m∴m=−13
Find the value of.
(i) (30 + 4−1) × 22 (ii) (2−1 × 4−1) ÷2−2
(iii) (iv) (3−1 + 4−1 + 5−1)0
(v)