Differentiate sin^2(x)
sin(2x)
JP
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All answers ▸(x+3)(x+2)
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Anton, Barbara and Clive are buying pens from the shop. Anton needs 4, Barbara needs 7, Clive needs 11. Pens only come in packs of 10. How many packs of pens do they need to buy between them?
calculate the volume and surface area of a beach ball with a 30cm diameter.