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यदि A = 2|(7,-2),(-10, 5)| तो A का मान...

यदि `A = 2|(7,-2),(-10, 5)|` तो A का मान ज्ञात कीजिए -

A

20

B

25

C

30

D

40

लिखित उत्तर

Verified by Experts

The correct Answer is:
C
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