find the value of ( 2 - 1 × 4 - 1 ) ÷ 2 – 2
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Given, 2[(2
−1
×4
−1
)÷2
−2
)
= 2[(2
−1
×4
−1
)÷2
−2
)
= 2[(
2
1
×
4
1
)÷
4
1
]
= 2[(
2
1
×
4
1
)÷
4
1
]
= 2[(
8
1
)÷
4
1
]
= 2[(
8
1
)×
1
4
]
= 2(
2
1
)
= 1
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