allery349 चो वर्ग कितलो आसता?
A122801
B122881
C121801
D120801
Answer & Solution
Correct answer: C. 121801
1. 349 हें (350 − 1) अशें बरयात. 2. (350 − 1)² = 350² − 2·350 + 1 = 122500 − 700 + 1. 3. हें 121801 इतलें आसता _स्त्रोत: आरआरबी गट डी (आरआरसी) पीवायक्यू, 27-10-2013 दिसा जाल्लें, प्र.18._.
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