Question

7. A relation Ф from C to R is defined by x Ф y <=> |x| = y. Which one is correct?
(a) (2 +3i) Ф 13
(b) 3 Ф (-3)
(c) (1+і) Ф 2
(d) i Ф 1.

Plz don't spam.. I need the answer urgently...​
Aare koi toh answer dedo... plz plz

Answer 1

Step-by-step explanation:

A}. { 2+3i} 0 13

I hope it may help to you...

Answer 2

Answer:

i Ф 1

Step-by-step explanation:

• ϕ:c→R;xϕy⇔∣x∣=y y is always positive (B is false)
• xϕy;∣(2+3i)∣= √13  (A is false)

• ∣(1+i)∣= √2  (c is false)