Question

iv.
Ż (6r2 – 2r +5)
r=1

Answer 1

Answer:

15

Step-by-step explanation:

6*1*2 - 2*1 + 5

12 - 2 +5

15

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Answer 2

Answer:-1

Step-by-step explanation:

6x1^2 -2x1 +5

According to BODMAS rule additon comes first so,

6-7= -1