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suresh kommara

· started a discussion

· 1 Months ago

Question Paper in PDF format (Question: 108128.0 )

the feature of Question Paper in PDF format has been removed.please provide that feature. looking at that feature itself i bought this test series.

Question:

If a, b, c are real and a2 + b2 + c2 = 2(a – b – c) – 3, then the value of a + b + c is:

Options:
A) 0
B) –1
C) 1
D) 3
Solution:

Ans: (b) 

a2 + b2 + c2 = 2 (a–b–c) – 3

a2 – 2a + b2 + 2b + c2 + 2c + 1 + 1 + 1 = 0

(a–1)2 + (b+1)2 + (c+1)2 = 0

a = 1, b = –1, c = – 1

\(\therefore\) a + b + c = 1 – 1 – 1 = – 1

Pradeep kumar baiga

· commented

· 1 Months ago

yes please provide it

TEJENDER YADAV

· commented

· 1 Months ago

How can we get these papers in PDF?

Rajat Sharma

· commented

· 1 Months ago

konsa feature bhai ?
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