Please solve question no 1 with proper explanation 

Asked by adityaahuja099 | 11th Dec, 2017, 09:07: PM

Expert Answer:

begin mathsize 16px style Let space straight p left parenthesis straight x right parenthesis equals space kx squared minus square root of 2 straight x plus 1 Since space open parentheses straight x plus square root of 2 close parentheses space is space straight a space factor space of space straight p left parenthesis straight x right parenthesis comma space we space have straight p open parentheses negative square root of 2 close parentheses equals 0 rightwards double arrow straight k open parentheses negative square root of 2 close parentheses squared minus square root of 2 open parentheses negative square root of 2 close parentheses plus 1 space equals space 0 rightwards double arrow 2 straight k plus 2 plus 1 equals 0 rightwards double arrow 2 straight k plus 3 equals 0 rightwards double arrow 2 straight k equals negative 3 rightwards double arrow straight k equals negative 3 over 2 end style

Answered by Rashmi Khot | 12th Dec, 2017, 10:06: AM

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