Question

sind heralul ay
5n-4n²+3 at n=2 and n=-1
plz tell me fast mera paper chal Raha ha ​

Answer 1

Answer:

-3 and 4

Step-by-step explanation:

5n-4n²+3

putting value n=2

5×2-4×4+3

= -3

putting value n= -1

5×1-4×1+3

=4

Answer 2

Answer:

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Step-by-step explanation:

if n =2

=5n- 4n^2 +3

=5×2 -4×2×2+3

=10-16+3

= -3

if n=1

=5ñ-4n^2+3

=5×1-4×1×1-3

=5-4+3

= +4