Master Unit 4 Inequalities (NBF/FBISE new book 2025-2026) with concise solutions. Aim 90+ marks.
hsanotes.com Features:
- Updated for new book session 2025-2026
- Solved Ex 4.1–4.3 + Miscellaneous
- Linear inequalities solving
- Graphing on number lines
- Compound inequalities
- Absolute value inequalities
- Word problems applications
- Interval notation examples
Target: FBISE students & affiliated schools – Army Public School, Fazaia Inter College, Beaconhouse, Roots Millennium, The City School, Lahore Grammar School, Karachi Grammar School, OPF Boys/Girls College, Bahria College, PAF College.
Key Solved Examples (short form):
- Ex 4.1 Q1 5x−12 ≤ 3x−4 → x≤4, (−∞,4]
- Graph: Closed circle at 4, shade left.
- Q2 1−8x ≤ −4(2x−1) → All real x, (−∞,∞)
- Graph: Entire line shaded.
- Q3 −(2/3)x−2 < (1/3)x+8 → x>−10, (−10,∞)
- Graph: Open circle at −10, shade right.
Useful Links:
- FBISE official: https://www.fbise.edu.pk
- National Book Foundation (NBF): https://www.nbf.org.pk
- Army Public Schools: https://apsacssectt.edu.pk
- Beaconhouse: https://www.beaconhouse.net
View PDF for full solutions, graphs & tables.
Join online classes: sharjeelmuhammad27@gmail.com
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