Please help, I never understand these.
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Here, this question means values of P and Q for which there is no value of x.
Clearly, for P = -4 and Q = -4
=> -4x + 5 = -4x - 4
=> 5 = -4, which is not possible.
So, there is no solution.
Similarly, for P = -4 and Q = -5, we get
=> 5 = -5
Hence, options (c) and (d) are correct.
Clearly, for P = -4 and Q = -4
=> -4x + 5 = -4x - 4
=> 5 = -4, which is not possible.
So, there is no solution.
Similarly, for P = -4 and Q = -5, we get
=> 5 = -5
Hence, options (c) and (d) are correct.
kindaalwardi1738:
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