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iren [92.7K]
3 years ago
9

Evaluate the expression when a= 1/4 and b = 6. 16a2 – 4b=

Mathematics
1 answer:
Degger [83]3 years ago
3 0

Step-by-step explanation:

HERE,

a=\bold{\dfrac{1}{4}   }

b=6

so,

<u>According</u><u> </u><u>to</u><u> </u><u>the question</u><u>, </u>

\bold{16a^2-4b   }

\bold{16\times(\dfrac{1}{4})^2-4\times 6   }

\bold{ 16\times \dfrac{1}{16}-24 }

\bold{\cancel{16}\times \dfrac{1}{\cancel{16}}-24   }

\bold{1-24   }

\bold{ -23  }

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