| \[9{{x}^{2}}-6x+9\] \[{{x}^{2}}-7x+10\] |
| \[49{{x}^{2}}+9{{y}^{2}}-42xy\] \[16{{x}^{2}}+24x+9\] |
A) Only (i) and (ii)
B) Only (ii) and (iii)
C) Only (i) and (iv)
D) Only (iii) and (iv)
Correct Answer: D
Solution :
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