if a minus one upon a is equal to 8 find a + 1 upon a and a square minus one upon a square expansions chapter class 9 please solve quickly and stepbby step
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Answer:
a-1 =8 so 8 plus 1 is a = 9
Step-by-step explanation:
a plus 1 is 9plus 1 is 10
a is 9 .a2 is 81
so the answer is 81
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