Math, asked by harsh115140, 1 month ago

Write the set A = { x/x E N ; -3 < x <_ 7 } in ro ster form and also find n(A)


Answers

Answered by dinanathkumar0509
0

Step-by-step explanation:

(11) B = ²x²x1² + 77 - 8 = 0, 7ER ZER?

8 =

x² + 7×-8 = 0

20

-7 ± √(7) ²-4X1X-8

2X1

2/6 = = 7 ± √√√49 +32

2

= -7 ± 81

2

-7+9

2

-7+9

2

2/1

1

2

B

=

B

8

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