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Juli2301 [7.4K]
3 years ago
13

What is the formula of a²—b²?

Mathematics
2 answers:
PolarNik [594]3 years ago
7 0

\implies {\blue {\boxed {\boxed {\purple {\sf { {a}^{2}  -  {b}^{2}  = (a + b)(a - b)}}}}}}

\bold{ \green{ \star{ \orange{Mystique35}}}}⋆

MissTica3 years ago
4 0

\sf  {a}^{2}  -  {b}^{2}  = (a + b)(a - b)

This is the required formula.

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BlackZzzverrR [31]

Answer:

C  a1= -2

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Step-by-step explanation:

an = -2+ (n-1)3

What is the first term?  Let n=1

a1 = -2 + 0*3

a1 = -2


The difference between the  terms is +3  (coefficient on (n-1))

The second term is the first term +3

The third term is the second term plus 3

The next term is the previous term +3

so an = an-1+ 3

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