Find the number of terms in the expansion of [(x+1)^6+(x-1)^6]
1 answer:
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add 2 to both sides
square both sides
3x-5=4
add 5 to both sides
3x=9
divide 3
x=3
a nswer is B
add 2 to both sides
square both sides
3x-5=4
add 5 to both sides
3x=9
divide 3
x=3
a nswer is B
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