Find the value of 11+a+a2 + 1a-1+1+a + 1a-2+a-1+1.
Explanation:
Given, 11+a+a2 + 1a-1+1+a + 1a-2+a-1+1.
= 11+a+a2 + 11a+1+a + 11a2+1a+1.
= 11+a+a2 + a1+a+a2 + a21+a+a2
= 1+a+a21+a+a2
= 1
Hence, option (c).
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