Question
If β+β means β-β, βΓβ means βΓ·β
βΓ·β means β+β and β-β means βΓβ, then which of the following will be the value of the expression 252 Γ 9- 5 + 32 Γ· 92?Solution
ATQ, 252 Γ 9- 5 + 32 Γ· 92 Now after changing signs (252/9) Γ 5 β 32 + 92 140 + 60 = 200
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