1.

If x2+15x+a2x2+15x+a2 is a perfect square, then a is?

A. 1100110011001100110011001100110011001100111001001001001100
B. ±110±110±110±110±110±110±110±110±1101101110101010±110
C. 1101101101101101101101101101101110101010110
D. −110−110−110−110−110−110−110−110−1101101110101010−110
Answer» B. ±110±110±110±110±110±110±110±110±1101101110101010±110


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