QUESTION
यदि z = 20 - 21i है तो |z| कितना होगा?
If z = 20 - 21i then what is |z|?
CORRECT ANSWER
C
29 / 29
EXPLANATION INSIDE
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Step 1: Modulus formula |a+ib| = √(a²+b²) लगाएं। Step 2: √(20²+(-21)²)=√841=29। Step 3: Modulus distance formula जैसा होता है।