Show that (4_3m-3_4n)+2m=16_9m^+9_16 m^​

When four dice are rolled simultaneously in how many outcomes will at least one of the dice shows 3?

Prove that 1 + cot theta + tan theta into sin theta minus cos theta by secant square theta minus cosec square theta is equals to sin square theta cos square theta

Asweet stall was placing an order for making card board boxes for packing their sweets. two sizes of boxes were required. the bigger of dimensions 25 cm * 20cm * 5cmand the smaller of dimensions 15cm * 12cm * 5cm. for all the overlaps, 5% of the total surface area is required extra. if the cost of the card board is rs 4 for 1000cm square, find the cost of card board required for supplying 250 boxes of each kind.