Question

if ✓2=1.414 ,then find the value of 3✓32-2✓50+4✓128-5✓98​

Answer 1

Answer:

3

32

–2

50

+4

128

–20

18

Let us simplify the expression,

3

32

–2

50

+4

128

–20

18

=3

(16×2)

–2

(25×2)

+4

(64×2)

–20

(9×2)

=3

16

2

–2

25

2

+4

64

2

–20

9

2

=3.4

2

–2.5

2

+4.8

2

–20.3

2

=12

2

–10

2

+32

2

–60

2

=(12–10+32–60)

2

=−26

2

=−26×1.414

=−36.764