Play with balls: Description: Students are supposed to take two different coloured sketch
pens same number of identical balls are to be drawn for one integer as indicated Perform
activity according to given example. (We know -ve symbol means opposite/change of
colour) Example: Let, Red for -ve integer
1) 2 x 3 (2 times 3)
2) -2 x (-3)
Green for +ve integer
{-2 times (-3)}
SHOW IT ON THE NUMBER LINE
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image of an object viewed in a concave mirror of focal length 25.0 cm appears 75.0 cm in front of the mirror. Find the location of the object and the magnification.
Step-by-step explanation:
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