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ankoles [38]
2 years ago
5

Answer correctly please

Mathematics
1 answer:
Veseljchak [2.6K]2 years ago
4 0

Answer:

False

Step-by-step explanation:

In a Randomized Block Experiment, all of the treatments are applied to each block.

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If x = 1 is a common root of ax² +ax + 2 = 0 and x² + x + b = 0 , then ab =
vodka [1.7K]

Answer:

ab = 2

Step-by-step explanation:

Given equations

ax² +ax + 2 = 0

x² + x + b = 0

root of both the equation

x= 1

then we can plug in x = 1 in both the equation

ax² +ax + 2 = 0                        x² + x + b = 0

a*1² +a*1 + 2 = 0                        1² + 1 + b = 0

a +a + 2 = 0                                 1 + 1 + b = 0

2a + 2 = 0                                    2 + b = 0

2a = -  2                                         b = -2

a = -2/2 = -1

Thus,

a = -1

b = -2

a*b = -1*-2 = 2

ab = 2

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3 years ago
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The answer is C

Step-by-step explanation:

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it would be 15

Step-by-step explanation:

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