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3 years ago

Solve |-3| 3 -3 -1 9

Mathematics

1 answer:

stiks02 [169]3 years ago

3 0

Answer:

The absolute value of -3 is 3.

Step-by-step explanation:

Absolute value is the distance between a number and zero on a number line. To solve for absolute value, solve inside the absolute value sign (it is also a grouping symbol), and if it is positive, the number inside is the absolute value. If it is negative, remove the negative sign to get your answer.

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oksian1 [2.3K]

Given :-

a² - 2a - b² = 0
2b + 2ab = 0

To find :-

Value of a and b .

Solution :-

Taking second equation:-

2b + 2ab = 0
2b ( 1 + a ) = 0
2b = 0 or (1+a) = 0
b = 0 , a = -1

Substitute in first equation :-

a² - 2a - b² = 0

When b = 0 ,

a² - 2a - 0² = 0
a² - a = 0
a( a -1) =0
a = 0 , 1

When a = -1 ,

(-1)² - 2*(-1) - b² = 0
1 + 2 - b² = 0
b² = 3
b = ±√3

Answer :-

a = 0,1 ; b = 0
a = -1 , b = ±√3

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