Math, asked by mohadahmadshareef, 3 months ago

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Answered by pranay9018
0

Answer:

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Step-by-step explanation:

we got f = -15 cm

to get the radius of curvature

We knew that

f = 2R

 - 15 = 2r \\ 2r =  - 15 \\ r =  \frac{ - 15}{2}  \\ r \:  - 7.5cm

therefore the radius of curvature is -7.5cm

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