please solve this question with full solution please.
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Answer:1. 196822. 85184Step-by-step explanation:(5^2+12)^3 = 19682(6^2+8)^3 = 85184 More
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1 st and 3rd in the pic
for the 2nd question
( 2i + 3j - k) × (i + 0 + 2k)
(we don't have an (j) value in 2nd bracket so just put a zero )
2(i^2) - 2(k)^2
square of vector = 1
2-2 = 0 (equal to zero mean vectors are perpendicular that mean angle between them is 90°
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