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Riddhi917
Riddhi917 Riddhi917
  • 02-11-2016
  • Mathematics
Answered

If a = b + 2, then (b - a)⁴ = ?

Verified Answer :

itsbribro
itsbribro itsbribro
  • 02-11-2016

use substitution.

anywhere you see "a" , than you would plug in b + 2 in for it so....

(b - (b + 2)^4 

now take the negative sign and distribute it "+"

so b - b is 0, than 0 - (-2) is -2.

so what is (-2)^4     ????? it would become positive 16

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